Color the ink drop ripple and hover effects based on theming.

ui/views/controls/button/custom_button.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/events/event_constants.h"
@@ skipping 57 matching lines @@
   // See description above field.
   void set_animate_on_state_change(bool value) {
     animate_on_state_change_ = value;
   }
 
   // Sets the event on which the button should notify its listener.
   void set_notify_action(NotifyAction notify_action) {
     notify_action_ = notify_action;
   }
 
+  void set_ink_drop_base_color(SkColor color) { ink_drop_base_color_ = color; }
+
   void SetHotTracked(bool is_hot_tracked);
   bool IsHotTracked() const;
 
   // Overridden from View:
   void Layout() override;
   void OnEnabledChanged() override;
   const char* GetClassName() const override;
   bool OnMousePressed(const ui::MouseEvent& event) override;
   bool OnMouseDragged(const ui::MouseEvent& event) override;
   void OnMouseReleased(const ui::MouseEvent& event) override;
@@ skipping 13 matching lines @@
   void VisibilityChanged(View* starting_from, bool is_visible) override;
 
   // Overridden from gfx::AnimationDelegate:
   void AnimationProgressed(const gfx::Animation* animation) override;
 
   // Overridden from views::InkDropHost:
   void AddInkDropLayer(ui::Layer* ink_drop_layer) override;
   void RemoveInkDropLayer(ui::Layer* ink_drop_layer) override;
   gfx::Point CalculateInkDropCenter() const override;
   bool ShouldShowInkDropHover() const override;
+  SkColor GetInkDropBaseColor() const override;
 
  protected:
   // Construct the Button with a Listener. See comment for Button's ctor.
   explicit CustomButton(ButtonListener* listener);
 
   // Invoked from SetState() when SetState() is passed a value that differs from
   // the current state. CustomButton's implementation of StateChanged() does
   // nothing; this method is provided for subclasses that wish to do something
   // on state changes.
   virtual void StateChanged();
@@ skipping 71 matching lines @@
 
   // True when a button click should trigger an animation action on
   // |ink_drop_delegate_|.
   // TODO(bruthig): Use an InkDropAction enum and drop the flag.
   bool has_ink_drop_action_on_click_;
 
   // The animation action to trigger on the |ink_drop_delegate_| when the button
   // is clicked.
   InkDropState ink_drop_action_on_click_;
 
+  // The color of the ripple and hover.
+  SkColor ink_drop_base_color_;
+
   DISALLOW_COPY_AND_ASSIGN(CustomButton);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_